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Rebecca S.

asked • 10/04/19

What percent of scores would be above 592?

The national average for mathematics on a standardized test in 2011 was 502. Suppose that the distribution of scores was approximately bell shaped and that the standard deviation was approximately 45.

I already found out where 68% of the scores would fall, which is 457 and 547. I just can't figure out ho to complete it.

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